ltjbkeh



I. C. H. IUBEIEI I.

MINING CAR.

' APPLICATION FILED JUNE I7, I9I8. 1 31 1 59, Eatented 19w.

M/WQJZ a j 2 INVENTOR ATTORNEfl @FFEQEQ Mme-can.

Specification of Letters Patent.

Patented July as, rare,

Application filed June 17, 1918. Serial No. 240,312.

To all whom it may concern:

Be it known that 1, JOHN C. H. LUBKEN, a cltizen of the United States,residing in the borough of lVestmont,iu the county of (ambr1a and Stateof Pennsylvania, (whose post-office address is J ohnstown,Pennsylvan1a,) have invented certain new and useful Improvements inMining-Cars; and I do hereby declare the following to be a full, clear,and exact description, such as will enable others skilled' in the art towhich it appertains to make and use the same. My invention relates tocars used in minmg or other industries, and particularly to those thatare made up into trains and hauled by a motor, cable, or otherwise, andone of the objects of my invention is to provide a car that is welladapted to this service and constructedwith particular reference towithstanding the pulling and bumping shocks. to which such cars aresubjected.

My car body is preferably made of sheet or plate metal which is pressedinto shape with a flat bottom and with a central longitudinal ridgeformed integral in the bottom portion and projecting upwardly therefrom,the upper portions of the car sides being flaring and provided with arounded bead at their upper edges to strengthen and stiffen the same,-and provided with separate end pieces which are secured to the sides andbottom by flanges formed integral with said end portions so that in caseof damage of any one portion, the damaged one alone need be replaced.-

One of the particular features of my invention relates to reinforcingthe bottom by the insertion of a longitudinal sill of timber,inserted-and fitted within the up-pressed metal ridge of the car bottomand secured to the car bottom by rivets or bolts, the ends of the sillbeing provided with bumper blocks,

preferably made of pressed steel and with a continuous draw-bar securedthereto, whereby these cars, when formed into a train, have asubstantially continuous draw-bar and center sill extending throughoutthe length of the train, thereby adapting them to fully withstand anypulling or bumping shocks to which they may be subjected.

Having thus given a general description of my invention, I will now, inorder to "make the matter more clear, refer to the annexed sheet ofdrawings, which forms part of this specification, and in which likecharacters refer to like parts:

Figure 1 is a top plan view of my'improved mining car;

Fig. 2 is a side elevation of the mining car, with the right-handportion of the car shown in vertical sectional elevation on thelongitudinal center line of the car;

Fig. 3 is a vertical transverse sectional elevation taken on the lineIIIHI of i 2 Fig. l, is a side elevation of one of the bumper blocks;

Fig. 5 is a top plan view of the bumper block; and

Fig. 6 is a top plan view of one of the pressed metal spacing members.Referring now to the characters of reference on the drawings: 1represents the car body in general, 2 the sides thereof, the

upper portions of which are shown as flaring and provided with areinforcing head on the upper margin thereof, 3 is the car bottom, 4 isa central longitudinal ridge shown as of channel section formed integralwith the bottom plate portion of the car body,-5 are the ends of the carwhich, as shown, are provided with flanges whereby they are secured tothe body portion, 6 are reinforcing plates on the inside of the carfloor adapted to strengthen the same at and near the points ofapplication of the axles to which the load is transmitted, 7 are anglesapplied transversely to .the bottom of the car to further strengthen andstiffen the same, 8 is a drawbar composed of a flat bar of iron or steelapplied and secured to the top portion of the up-pi'essed center sill,as illustrated, and provided with holes 10, adapted to receive thecoupling pins 11 and 12. These up-bent ends 9 of the continuous draw-barare spaced apart from the bumper so as to provide room for the couplinglink between the same, as

i 'come together and also provided with an upper flanged portion 17 anda bottom flange 18, the bottom flange being wider and provided withholes adapted to receive bolts, as illustrated, to secure it to themetal end of the car. 19 is a pressed metal spacing member locatedbetween the bent-up end portion 9 of the metal draw-bar and the uppersurface of the flange 17 of the bumper block and all secured together bybolts, as shown, this spacing member being provided with the flangededge 20,"as illustrated.

On account of the addition of the wooden center sill to the bottom ofthe metal car and preferably in the approximately rectangular spaceformed by the up-pressed longitudinal projection of the floor plate andby securing said wooden sill to the metal body, I provide a combinationof wood and metal which is very well adapted to give the necessarystrength to the structure and "to ably Withstand any pulling or buflingstresses to which it may be sub ected. The Wooden sill to reinforce themetal structure is particularly useful in withstanding heavy buflingstresses, as the wood has a certain amount of elasticity, butits modulusof elasticity is much lower than that of steel and its reactive effectis less on account of its structure so that when a heavy shock comesupon the sill in the attempt to compress or buckle it, this shock islargely absorbed by the wooden sill and the reaction given backgradually to a much lesser extent. In view of this, the addition of thewooden sill is particularly effective and has been so proven by actualuse.

Although I have described and illustrated my invention in considerabledetail, I do not wish to be limited to the exact and specific detailsthereof as shown and described,

but may use such modifications in, substitutions for, orequivalents-thereof, asarecmbraced within the scope of my invention, oras pointed out in the claims.

Having thus described by invention, what I, claim and desire to secureby Letters Patent is 1. The combination With'a metal car body of awooden longitudinal center-sill partially surrounded by and securedthereto and adapted to strengthen and reinforce the same againststresses.

2. In a metal car provided with an upwardly projecting longitudinallyextending central portion, a wooden sill seated within therefrom andexten said projection and secured to the adjacent metal construction.

3. A car body composed ofmetal plate provided with an upwardly andlongitudinally extending portion, a wooden center sill seated within therecess of said portion and secured to the car structure.

4. In a car body, a metallic floor plate provided'with an integralportion projecting ing. longitudinally of the carnear the centerthereof, a wooden center sill seated Within the recess formed by saidprojecting portion and secured to the car structure.

5. A metal car body provided with a flanged portion and an upper flangedportion which are substantially parallel, a bumper portion which isapproximately at right angles to said flanges and means for securingsame to the center sill and to the car structure.

7. A metal car provided with a wooden center sill extendinglongitudinally thereof, a pressed steel bumper plate provided vwithholes to receive the coupling pin, on each end of said sill, said platecomprising a lower flanged portion and an upper flanged portion spacedapart and substantially parallel, a bumper portion joining said flanges,and means for securing same to the center sill and to the car structure.

8. In a metal car, a wooden center sill extending longitudinally thereofand projecting outwardly from the end portions, a pressed steel bumperplate secured on each end of said sill and provided with holesto receivethe coupling pin; means for securing same to the car structure; alongitudinally extending'draW-bar secured to the car structure, the endsof same being offset and spaced apart from said bumpers and meansinterposed between said draw-bar and said bumpers to maintain saidspacing.

In testimony whereof I hereunto aflix my signature.

JOHN C. H. LUBKEN.

